用A~H字母填空: A) weight B) fit C) relaxed D) fitness E) friends F) exercise G) mental H) injury When people are physically_____, they look their best. physical _____ has great benefit to your body. Regular _____ can help you keep proper body _____. It makes your muscles strong. It helps you avoid _____ during sports. It also improves your _____ health. Some team exercises help you make new_____ with common interests. Exercise helps you feel _____ and happy.